netdev - Re: [PATCH] Fix dead 21041 ethernet after ifconfig down

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Message-ID: <48CC0F4B.9050104@garzik.org>
Date:	Sat, 13 Sep 2008 15:06:51 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Grant Grundler <grundler@...isc-linux.org>
CC:	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	netdev@...r.kernel.org, kyle@...isc-linux.org, tbm@...ius.com
Subject: Re: [PATCH] Fix dead 21041 ethernet after ifconfig down

Grant Grundler wrote:
> On Fri, Sep 12, 2008 at 11:19:19PM +0200, Thomas Bogendoerfer wrote:
>> The de2104x did a pci_disable_device() in it's close function, but
>> the open function never does a pci_enable_device() and assumes that
>> the device is already enabled. Considering that downing the interface
>> is just a temporary thing the pci_disable_device() isn't a pretty good
>> idea and removing it from the close function just fixes the bug.
> 
> Thomas,
> Thanks for the patch!
> 
> The de2104 driver is calling pci_enable_device() in it's .probe routine
> and calls pci_disable_device in it's .remove function.
> It never occurred to me a NIC driver would call either pci function
> from someplace else as well.
> 
>> Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
> 
> Acked-by: Grant Grundler <grundler@...isc-linux.org>
> 
>> ---
>>
>>  drivers/net/tulip/de2104x.c |    1 -
>>  1 files changed, 0 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
>> index 9281d06..f54c450 100644
>> --- a/drivers/net/tulip/de2104x.c
>> +++ b/drivers/net/tulip/de2104x.c
>> @@ -1418,7 +1418,6 @@ static int de_close (struct net_device *dev)
>>  
>>  	de_free_rings(de);
>>  	de_adapter_sleep(de);
>> -	pci_disable_device(de->pdev);

applied


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